/**
 * PARTNERS ENHANCED - Seção de parceiros melhorada
 * Versão: 1.0 - Grid responsivo com filtros e animações
 */

/* ========================================
   SEÇÃO PRINCIPAL
   ======================================== */

.partners-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.partners-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(30, 136, 229, 0.05), rgba(255, 152, 0, 0.05));
    z-index: 1;
}

/* ========================================
   HEADER
   ======================================== */

.partners-header {
    position: relative;
    z-index: 2;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    color: #2c3e50;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.section-subtitle {
    font-size: 1.2rem;
    color: #6c757d;
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   FILTROS
   ======================================== */

.partners-filters {
    position: relative;
    z-index: 2;
    text-align: center;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

.filter-btn {
    background: #ffffff;
    border: 2px solid #e9ecef;
    color: #6c757d;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 136, 229, 0.1), transparent);
    transition: left 0.5s ease;
}

.filter-btn:hover {
    border-color: #1E88E5;
    color: #1E88E5;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.2);
}

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn.active {
    background: linear-gradient(135deg, #1E88E5, #FF9800);
    border-color: #1E88E5;
    color: white;
    box-shadow: 0 4px 15px rgba(30, 136, 229, 0.3);
}

.filter-btn.active:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 136, 229, 0.4);
}

/* ========================================
   GRID DE PARCEIROS
   ======================================== */

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 28px;
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
}

/* ========================================
   CARDS DE PARCEIROS
   ======================================== */

.partner-card {
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(12px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border-color: #1E88E5;
}

.partner-card:hover::before {
    opacity: 1;
}

/* Animação de entrada com stagger */
.partner-card:nth-child(1) { animation-delay: 0.1s; }
.partner-card:nth-child(2) { animation-delay: 0.2s; }
.partner-card:nth-child(3) { animation-delay: 0.3s; }
.partner-card:nth-child(4) { animation-delay: 0.4s; }
.partner-card:nth-child(5) { animation-delay: 0.5s; }
.partner-card:nth-child(6) { animation-delay: 0.6s; }
.partner-card:nth-child(7) { animation-delay: 0.7s; }
.partner-card:nth-child(8) { animation-delay: 0.8s; }

/* ========================================
   LOGO DOS PARCEIROS
   ======================================== */

.partner-logo {
    width: 160px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    background: #ffffff;
    border-radius: 8px;
    padding: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.partner-logo img {
    max-width: 100%;
    max-height: 100%;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
    filter: none !important;
    opacity: 1 !important;
    transition: all 0.3s ease;
    display: block !important;
    visibility: visible !important;
    margin: 0 auto;
}

.partner-card:hover .partner-logo img {
    filter: none !important;
    opacity: 1 !important;
    transform: scale(1.04);
}

/* ========================================
   INFORMAÇÕES DOS PARCEIROS
   ======================================== */

.partner-info {
    text-align: left;
    position: relative;
    z-index: 2;
}

.partner-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 8px;
    transition: all 0.3s ease;
    position: relative;
}

.partner-card:hover .partner-name {
    color: #1E88E5;
}

.partner-card:hover .partner-name::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #1E88E5, #FF9800);
    border-radius: 1px;
}

.partner-description {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 4px;
    font-weight: 500;
}

.partner-location {
    font-size: 0.85rem;
    color: #adb5bd;
    font-weight: 400;
}

/* ========================================
   FILTROS - ESTADOS
   ======================================== */

.partner-card.hidden {
    display: none;
}

.partner-card.show {
    display: block;
    animation: fadeInUp 0.4s ease-out;
}

/* ========================================
   ANIMAÇÕES
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

/* Desktop grande (1200px+) */
@media (min-width: 1200px) {
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 32px;
    }
    
    .partner-card {
        padding: 28px;
    }
    
    .partner-logo {
        width: 180px;
        height: 90px;
    }
}

/* Desktop (992px - 1199px) */
@media (max-width: 1199px) and (min-width: 992px) {
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 28px;
    }
    
    .partner-card {
        padding: 24px;
    }
}

/* Tablet (768px - 991px) */
@media (max-width: 991px) and (min-width: 768px) {
    .partners-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 24px;
    }
    
    .partner-card {
        padding: 20px;
    }
    
    .partner-logo {
        width: 140px;
        height: 70px;
    }
}

/* Mobile grande (576px - 767px) */
@media (max-width: 767px) and (min-width: 576px) {
    .partners-section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .partner-card {
        padding: 18px;
    }
    
    .partner-logo {
        width: 120px;
        height: 60px;
    }
    
    .partner-name {
        font-size: 1rem;
    }
    
    .partner-description {
        font-size: 0.85rem;
    }
    
    .partner-location {
        font-size: 0.8rem;
    }
}

/* Mobile pequeno (320px - 575px) */
@media (max-width: 575px) {
    .partners-section {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .filter-buttons {
        gap: 8px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .partner-card {
        padding: 16px;
    }
    
    .partner-logo {
        width: 100px;
        height: 50px;
    }
    
    .partner-name {
        font-size: 0.95rem;
    }
    
    .partner-description {
        font-size: 0.8rem;
    }
    
    .partner-location {
        font-size: 0.75rem;
    }
}

/* Mobile muito pequeno (até 320px) */
@media (max-width: 320px) {
    .partners-section {
        padding: 30px 0;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .partner-card {
        padding: 14px;
    }
    
    .partner-logo {
        width: 80px;
        height: 40px;
    }
}

/* ========================================
   ACESSIBILIDADE
   ======================================== */

/* Redução de movimento para usuários sensíveis */
@media (prefers-reduced-motion: reduce) {
    .partner-card,
    .partner-logo img,
    .filter-btn,
    .partner-name {
        transition: none !important;
        animation: none !important;
        transform: none !important;
    }
    
    .partner-card {
        opacity: 1;
        transform: none;
    }
}

/* Alto contraste para usuários com deficiência visual */
@media (prefers-contrast: high) {
    .partner-card {
        border: 2px solid #000;
    }
    
    .filter-btn {
        border: 2px solid #000;
    }
    
    .partner-name {
        color: #000;
    }
}

/* Focus states para navegação por teclado */
.filter-btn:focus {
    outline: 3px solid rgba(30, 136, 229, 0.5);
    outline-offset: 2px;
}

.partner-card:focus-within {
    outline: 2px solid #1E88E5;
    outline-offset: 2px;
}